Final answer:
Medulloblastoma is a type of cancer that arises from embryonic tissue in the cerebellum. It is most commonly diagnosed in children and can cause symptoms such as headache, nausea, and difficulty with coordination.
Step-by-step explanation:
Cancer arising from embryonic tissue in the cerebellum is called medulloblastoma. Medulloblastoma is a type of brain tumor that develops from embryonic cells in the cerebellum. It is most commonly diagnosed in children, and it can cause symptoms such as headache, nausea, and difficulty with coordination.